add directory gnu

gnu/gas/gas-COFF.README

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+			gas COFF support
+
+There are two tars. The first, gas-coff.tar, contains:
+	o new and minimally changed gas source files
+	o fixes for g++'s gcc.c and collect.c
+	o some gcc config files that are needed for some 68k SysV systems (but
+	  (not needed for 386 systems) to support a modified 68k gas assembly
+	  syntax that among other things supports a % register prefix.
+
+The above supports stab debug symbols. The gdb below handles stabs in COFF:
+
+The second, gdb-coff-stabs.tar, contains stuff for gdb:
+	o Diffs to gdb-3.5 supplying:
+	    o Upgrade gdb-3.5 to 3.5.2
+	    o a new header 'coff-a.out.h' 
+	    o mods to dbxread.c to remove a.out dependencies
+	    o some minor bugfixes
+
+	o dep.c and param.h files for the sun-386i
+	   Contains code needed for dbxread to work with sun386i COFF objects.
+
+	o dep.c and param.h files for TTI Unicom PBB
+	   Contains code needed for dbxread to work with vanilla System V COFF.
+

gnu/gas/gas.README

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+The GNU assembler, gas, has been folded into the Binary Utilities (binutils)
+package, as of binutils version 2.5.